87276531 has 8 divisors (see below), whose sum is σ = 118564560. Its totient is φ = 57086432.

The previous prime is 87276529. The next prime is 87276547. The reversal of 87276531 is 13567278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87276531 - 2¹ = 87276529 is a prime.

It is a super-2 number, since 2×87276531² = 15234385726787922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87276531.

It is not an unprimeable number, because it can be changed into a prime (87276551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274296 + ... + 274613.

It is an arithmetic number, because the mean of its divisors is an integer number (14820570).

Almost surely, 2^87276531 is an apocalyptic number.

87276531 is a deficient number, since it is larger than the sum of its proper divisors (31288029).

87276531 is a wasteful number, since it uses less digits than its factorization.

87276531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548965.

The product of its digits is 70560, while the sum is 39.

The square root of 87276531 is about 9342.1909100596. The cubic root of 87276531 is about 443.5737376796.

The spelling of 87276531 in words is "eighty-seven million, two hundred seventy-six thousand, five hundred thirty-one".